ISL6296_08 Datasheet, PDF (5/19 Pages) Intersil Corporation – FlexiHash™ For Battery Authentication

ISL6296
Typical Applications
PACK+
XSD
PACK-
R1
100Ω _{XSD ISL6296 VDD}
D1
5.1V
VSS
R2
100Ω
C1
0.1µF
PROTECTION
FIGURE 1. TYPICAL APPLICATION WITH THE ISL6296 POWERED BY THE BATTERY
PACK+
XSD
PACK-
R1
100Ω _{XSD ISL6296 VDD}
D1
5.1V
VSS
C1
0.1µF
PROTECTION
FIGURE 2. TYPICAL APPLICATION WITH THE ISL6296 POWERED BY THE XSD BUS
Block Diagram
VDD
XSD
POR/2.5V
REGULATOR
XSD
COMM
INTERFACE
AUTH
SESL
CHLG
FLEXIHASH+ ^™
ENGINE
MSCR
STAT
OSCILLATOR
ANALOG
DIGITAL
DCFG (1 BYTE)
DTRM (1 BYTE)
SECRET #1
(4 BYTES)
SECRET #2
(4 BYTES)
SECRET #3
(4 BYTES)
GENERAL PURPOSE
(2 BYTES)
16 BYTES
OTPROM
CONTROL/STATUS/
TIO
TEST INTERFACE
VSS
FIGURE 3. FUNCTIONAL BLOCK DIAGRAM
5
FN9201.2
March 21, 2008